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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2005 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "scumm/scumm.h"
#include "scumm/intern.h"
#include "scumm/resource.h"
namespace Scumm {
void ScummEngine_v4::readIndexFile() {
uint16 blocktype;
uint32 itemsize;
int numblock = 0;
debug(9, "readIndexFile()");
closeRoom();
openRoom(0);
while (!_fileHandle->eof()) {
itemsize = _fileHandle->readUint32LE();
blocktype = _fileHandle->readUint16LE();
if (_fileHandle->ioFailed())
break;
switch (blocktype) {
case 0x4E52: // 'NR'
_fileHandle->readUint16LE();
break;
case 0x5230: // 'R0'
_numRooms = _fileHandle->readUint16LE();
break;
case 0x5330: // 'S0'
_numScripts = _fileHandle->readUint16LE();
break;
case 0x4E30: // 'N0'
_numSounds = _fileHandle->readUint16LE();
break;
case 0x4330: // 'C0'
_numCostumes = _fileHandle->readUint16LE();
break;
case 0x4F30: // 'O0'
_numGlobalObjects = _fileHandle->readUint16LE();
break;
}
_fileHandle->seek(itemsize - 8, SEEK_CUR);
}
_fileHandle->clearIOFailed();
_fileHandle->seek(0, SEEK_SET);
readMAXS(0);
// Jamieson630: palManipulate variable initialization
_palManipCounter = 0;
_palManipPalette = 0; // Will allocate when needed
_palManipIntermediatePal = 0; // Will allocate when needed
while (1) {
itemsize = _fileHandle->readUint32LE();
if (_fileHandle->ioFailed())
break;
blocktype = _fileHandle->readUint16LE();
numblock++;
switch (blocktype) {
case 0x4E52: // 'NR'
_fileHandle->seek(itemsize - 6, SEEK_CUR);
break;
case 0x5230: // 'R0'
readResTypeList(rtRoom, MKID('ROOM'), "room");
break;
case 0x5330: // 'S0'
readResTypeList(rtScript, MKID('SCRP'), "script");
break;
case 0x4E30: // 'N0'
readResTypeList(rtSound, MKID('SOUN'), "sound");
break;
case 0x4330: // 'C0'
readResTypeList(rtCostume, MKID('COST'), "costume");
break;
case 0x4F30: // 'O0'
readGlobalObjects();
break;
default:
// FIXME: this is a little hack because Indy3 FM-TOWNS has
// 32 extra bytes of unknown meaning appended to 00.LFL
if (!(_gameId == GID_INDY3 && _features & GF_FMTOWNS))
error("Bad ID %c%c found in directory!", blocktype & 0xFF, blocktype >> 8);
return;
}
}
closeRoom();
}
void ScummEngine_v4::loadCharset(int no) {
uint32 size;
memset(_charsetData, 0, sizeof(_charsetData));
checkRange(4, 0, no, "Loading illegal charset %d");
closeRoom();
File file;
char buf[20];
sprintf(buf, "%03d.LFL", 900 + no);
file.open(buf);
if (file.isOpen() == false) {
error("loadCharset(%d): Missing file charset: %s", no, buf);
}
size = file.readUint32LE() + 11;
file.read(createResource(rtCharset, no, size), size);
}
void ScummEngine_v4::readMAXS(int blockSize) {
// FIXME - I'm not sure for those values yet, they will have to be rechecked
_numVariables = 800; // 800
_numBitVariables = 4096; // 2048
_numLocalObjects = 200; // 200
_numArray = 50;
_numVerbs = 100;
_numNewNames = 50;
_objectRoomTable = NULL;
_numCharsets = 9; // 9
_numInventory = 80; // 80
_numGlobalScripts = 200;
_numFlObject = 50;
_shadowPaletteSize = 256;
_shadowPalette = (byte *) calloc(_shadowPaletteSize, 1); // FIXME - needs to be removed later
allocateArrays();
}
void ScummEngine_v4::readGlobalObjects() {
int i;
int num = _fileHandle->readUint16LE();
assert(num == _numGlobalObjects);
uint32 bits;
byte tmp;
for (i = 0; i != num; i++) {
bits = _fileHandle->readByte();
bits |= _fileHandle->readByte() << 8;
bits |= _fileHandle->readByte() << 16;
_classData[i] = bits;
tmp = _fileHandle->readByte();
_objectOwnerTable[i] = tmp & OF_OWNER_MASK;
_objectStateTable[i] = tmp >> OF_STATE_SHL;
}
}
void ScummEngine_v8::readGlobalObjects() {
int i;
int num = _fileHandle->readUint32LE();
assert(num == _numGlobalObjects);
char buffer[40];
for (i = 0; i < num; i++) {
_fileHandle->read(buffer, 40);
if (buffer[0]) {
// Add to object name-to-id map
_objectIDMap[buffer] = i;
}
_objectStateTable[i] = _fileHandle->readByte();
_objectRoomTable[i] = _fileHandle->readByte();
_classData[i] = _fileHandle->readUint32LE();
}
memset(_objectOwnerTable, 0xFF, num);
}
void ScummEngine_v7::readGlobalObjects() {
int num = _fileHandle->readUint16LE();
assert(num == _numGlobalObjects);
_fileHandle->read(_objectStateTable, num);
_fileHandle->read(_objectRoomTable, num);
memset(_objectOwnerTable, 0xFF, num);
_fileHandle->read(_classData, num * sizeof(uint32));
#if defined(SCUMM_BIG_ENDIAN)
// Correct the endianess if necessary
for (int i = 0; i != num; i++)
_classData[i] = FROM_LE_32(_classData[i]);
#endif
}
void ScummEngine_v8::readMAXS(int blockSize) {
debug(9, "readMAXS: MAXS has blocksize %d", blockSize);
_fileHandle->seek(50 + 50, SEEK_CUR); // 176 - 8
_numVariables = _fileHandle->readUint32LE(); // 1500
_numBitVariables = _fileHandle->readUint32LE(); // 2048
_fileHandle->readUint32LE(); // 40
_numScripts = _fileHandle->readUint32LE(); // 458
_numSounds = _fileHandle->readUint32LE(); // 789
_numCharsets = _fileHandle->readUint32LE(); // 1
_numCostumes = _fileHandle->readUint32LE(); // 446
_numRooms = _fileHandle->readUint32LE(); // 95
_fileHandle->readUint32LE(); // 80
_numGlobalObjects = _fileHandle->readUint32LE(); // 1401
_fileHandle->readUint32LE(); // 60
_numLocalObjects = _fileHandle->readUint32LE(); // 200
_numNewNames = _fileHandle->readUint32LE(); // 100
_numFlObject = _fileHandle->readUint32LE(); // 128
_numInventory = _fileHandle->readUint32LE(); // 80
_numArray = _fileHandle->readUint32LE(); // 200
_numVerbs = _fileHandle->readUint32LE(); // 50
_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
_numGlobalScripts = 2000;
_shadowPaletteSize = NUM_SHADOW_PALETTE * 256;
_shadowPalette = (byte *)calloc(_shadowPaletteSize, 1);
allocateArrays();
_dynamicRoomOffsets = true;
}
void ScummEngine_v7::readMAXS(int blockSize) {
debug(9, "readMAXS: MAXS has blocksize %d", blockSize);
_fileHandle->seek(50 + 50, SEEK_CUR);
_numVariables = _fileHandle->readUint16LE();
_numBitVariables = _fileHandle->readUint16LE();
_fileHandle->readUint16LE(); // 40 in FT; 16 in Dig
_numGlobalObjects = _fileHandle->readUint16LE();
_numLocalObjects = _fileHandle->readUint16LE();
_numNewNames = _fileHandle->readUint16LE();
_numVerbs = _fileHandle->readUint16LE();
_numFlObject = _fileHandle->readUint16LE();
_numInventory = _fileHandle->readUint16LE();
_numArray = _fileHandle->readUint16LE();
_numRooms = _fileHandle->readUint16LE();
_numScripts = _fileHandle->readUint16LE();
_numSounds = _fileHandle->readUint16LE();
_numCharsets = _fileHandle->readUint16LE();
_numCostumes = _fileHandle->readUint16LE();
_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
if ((_gameId == GID_FT) && (_features & GF_DEMO) &&
(_features & GF_PC))
_numGlobalScripts = 300;
else
_numGlobalScripts = 2000;
_shadowPaletteSize = NUM_SHADOW_PALETTE * 256;
_shadowPalette = (byte *)calloc(_shadowPaletteSize, 1);
allocateArrays();
_dynamicRoomOffsets = true;
}
void ScummEngine_v6::readMAXS(int blockSize) {
debug(9, "readMAXS: MAXS has blocksize %d", blockSize);
if (_heversion >= 70 && (blockSize == 44 + 8)) { // C++ based engine
_numVariables = _fileHandle->readUint16LE();
_fileHandle->readUint16LE();
_numRoomVariables = _fileHandle->readUint16LE();
_numLocalObjects = _fileHandle->readUint16LE();
_numArray = _fileHandle->readUint16LE();
_fileHandle->readUint16LE(); // unknown
_fileHandle->readUint16LE(); // unknown
_numFlObject = _fileHandle->readUint16LE();
_numInventory = _fileHandle->readUint16LE();
_numRooms = _fileHandle->readUint16LE();
_numScripts = _fileHandle->readUint16LE();
_numSounds = _fileHandle->readUint16LE();
_numCharsets = _fileHandle->readUint16LE();
_numCostumes = _fileHandle->readUint16LE();
_numGlobalObjects = _fileHandle->readUint16LE();
_numImages = _fileHandle->readUint16LE();
_numSprites = _fileHandle->readUint16LE();
_numLocalScripts = _fileHandle->readUint16LE();
_fileHandle->readUint16LE(); // heap related
_numPalettes = _fileHandle->readUint16LE();
_numUnk = _fileHandle->readUint16LE();
_numTalkies = _fileHandle->readUint16LE();
_numNewNames = 10;
_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
_numGlobalScripts = 2048;
} else if (_heversion >= 70 && (blockSize == 38 + 8)) { // Scummsys.9x
_numVariables = _fileHandle->readUint16LE();
_fileHandle->readUint16LE();
_numRoomVariables = _fileHandle->readUint16LE();
_numLocalObjects = _fileHandle->readUint16LE();
_numArray = _fileHandle->readUint16LE();
_fileHandle->readUint16LE(); // unknown
_fileHandle->readUint16LE(); // unknown
_numFlObject = _fileHandle->readUint16LE();
_numInventory = _fileHandle->readUint16LE();
_numRooms = _fileHandle->readUint16LE();
_numScripts = _fileHandle->readUint16LE();
_numSounds = _fileHandle->readUint16LE();
_numCharsets = _fileHandle->readUint16LE();
_numCostumes = _fileHandle->readUint16LE();
_numGlobalObjects = _fileHandle->readUint16LE();
_numImages = _fileHandle->readUint16LE();
_numSprites = _fileHandle->readUint16LE();
_numLocalScripts = _fileHandle->readUint16LE();
_fileHandle->readUint16LE(); // heap releated
_numNewNames = 10;
_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
if (_gameId == GID_FREDDI4)
_numGlobalScripts = 2048;
else
_numGlobalScripts = 200;
} else if (_heversion >= 70 && blockSize > 38) { // sputm7.2
if (blockSize != 32 + 8)
error("MAXS block of size %d not supported, please report", blockSize);
_numVariables = _fileHandle->readUint16LE();
_fileHandle->readUint16LE();
_numBitVariables = _numRoomVariables = _fileHandle->readUint16LE();
_numLocalObjects = _fileHandle->readUint16LE();
_numArray = _fileHandle->readUint16LE();
_fileHandle->readUint16LE();
_numVerbs = _fileHandle->readUint16LE();
_numFlObject = _fileHandle->readUint16LE();
_numInventory = _fileHandle->readUint16LE();
_numRooms = _fileHandle->readUint16LE();
_numScripts = _fileHandle->readUint16LE();
_numSounds = _fileHandle->readUint16LE();
_numCharsets = _fileHandle->readUint16LE();
_numCostumes = _fileHandle->readUint16LE();
_numGlobalObjects = _fileHandle->readUint16LE();
_numImages = _fileHandle->readUint16LE();
_numNewNames = 10;
_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
_numGlobalScripts = 200;
} else if (_version == 6) {
if (blockSize != 30 + 8)
error("MAXS block of size %d not supported", blockSize);
_numVariables = _fileHandle->readUint16LE();
_fileHandle->readUint16LE(); // 16 in Sam/DOTT
_numBitVariables = _fileHandle->readUint16LE();
_numLocalObjects = _fileHandle->readUint16LE();
_numArray = _fileHandle->readUint16LE();
_fileHandle->readUint16LE(); // 0 in Sam/DOTT
_numVerbs = _fileHandle->readUint16LE();
_numFlObject = _fileHandle->readUint16LE();
_numInventory = _fileHandle->readUint16LE();
_numRooms = _fileHandle->readUint16LE();
_numScripts = _fileHandle->readUint16LE();
_numSounds = _fileHandle->readUint16LE();
_numCharsets = _fileHandle->readUint16LE();
_numCostumes = _fileHandle->readUint16LE();
_numGlobalObjects = _fileHandle->readUint16LE();
_numNewNames = 50;
_objectRoomTable = NULL;
_numGlobalScripts = 200;
_shadowPaletteSize = 256;
if (_heversion >= 70) {
_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
}
}
if (_shadowPaletteSize)
_shadowPalette = (byte *)calloc(_shadowPaletteSize, 1);
allocateArrays();
_dynamicRoomOffsets = true;
}
} // End of namespace Scumm
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